My tv screen goes off and on. started going on and off. power button light flashes, then 15 seconds later, screen comes back on and - the audio stayed on the whole time. over time, the time that the screen was off degredated to where it was off for 45 seconds, but the same sequence would occur.
It seems that your unit has some sort of Video side, PSU fault, or a problem to the Video section that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done.
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